Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW
The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include special_features: DO NOT DUPE TO NSN 5310-00-903-5966; THIS NSN IS FOR PEARL HARBOR USE ONLY; THIS IS A NON-STANDARD UNIT-OF-ISSUE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-903-5966, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
9177314-29
NSN:5310-00-903-5966 FSC:5310 CAGE:18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
special_features
DO NOT DUPE TO NSN 5310-00-903-5966; THIS NSN IS FOR PEARL HARBOR USE ONLY; THIS IS A NON-STANDARD UNIT-OF-ISSUE
NSN
5310-00-903-5966
COMPONENT DIAGRAM
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
WIDTH ACROSS FLATS: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 20
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
MATERIAL: STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 440C OVERALL
0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH
20
BEARING SURFACE TYPE
CHAMFERED OR WASHER FACED
MATERIAL
STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 440C OVERALL
NUT STYLE
HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
FED STD 66,AISI 303 OR SAE 30303 FED STD 1ST MATERIAL RESPONSE OR FED STD 66,AISI 304 OR SAE 30304 FED STD 2ND MATERIAL RESPONSE OR AISI 14140C FED STD 3RD MATERIAL RESPONSE OVERALL